Clutter-GTK package is a library providing facilities to integrate 
Clutter into GTK+ applications and vice versa.

Clutter-GTK provides a GTK+ widget, GtkClutterEmbed, for embedding
a Clutter stage into any GtkContainer; and GtkClutterActor, a Clutter
actor for embedding any GtkWidget inside a Clutter stage.

Below variables can be used to configure the build:
    GTKDOC=yes        : Use gtk-doc to build documentation
    INTROSPECTION=no  : Disable introspection for this build
